Our People

Our Management

STJ Budi Santoso

President Director

Bowo Kusnanto

Chief of Operating Officer

Gyaista Sampurno

Chief of Geological Officer

Technical Team

David Iswanto

Senior Geologist Copper & Gold

Arief Eko Prihandoyo

Senior Geologist Coal & Mineral Industry

Ahmad Hidayat

Senior Geologist Nickel & Bauxite

Muhaemin B Sutami

Senior Mineral Resources

Technical Associate

Tomy Taladin, ST, MBA (PMP)

Senior Metallurgist Gold and Nickel

Saut Simbolon, M.Sc.

Senior Resource Geologist

Patar Simbolon, B.Eng.

Senior Mine Engineer Copper & Gold

Kartika Dwi Handayani

Principal Geologist Coal


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